EMF Shielding cap | Black-Jersey. Comfortable thin cap with 40 dB attenuation made from Black-Jersey. BLACK-JERSEY is a compact cotton fabric with high silver content. Actually our best and most stable apparel fabric. This fabric comes from Germany, it has an unusual high screening attenuation for a fabric with such a high cotton content.
Please be aware that hygiene products like shielding clothes, blankets, bedding or sleeping bags cannot be returned or exchanged in size when used. Those products do show traces of usage fairly soon, sometimes even when just tried on. We indicate the dimensions for the individual sizes on our homepage. You can orientate yourself on such for your order. If required, we will be happy to send you a fabric sample in advance.
Shielding attenuation HF
This product shields high frequency electromagnetic fields (HF). Unless otherwise stated, the indicated dB-values apply to 1 GHz. Measurement from 600 MHz to 40 GHz according to standards ASTM D4935-10 or IEEE Std 299-2006
Ready for 5G
Some companies offer “special” 5G-products. This product shields all 5G-frequencies, even without advertising this! Find two grey bars in all shielding diagrams with the 5G frequency spectrums FR1 (600 MHz – 6GHz) and FR2 (24 GHz – 40 GHz).